APA (7th ed.) Citation

Estrella, R. J. H., & Topacio, B. T. E. Visual travel: The state of the art.

Chicago Style (17th ed.) Citation

Estrella, Rogelio Joshua H., and Bienvenido Teodulo E. Topacio. Visual Travel: The State of the Art. 2004.

MLA (9th ed.) Citation

Estrella, Rogelio Joshua H., and Bienvenido Teodulo E. Topacio. Visual Travel: The State of the Art.

Warning: These citations may not always be 100% accurate.